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Compare Tire Sizes

Visualize differences in speedometer reading and clearance between two sizes

3 min readPublished November 29, 2025

Tire Size Comparison Tool

Compare different tire sizes to understand how they affect your vehicle's performance, speedometer accuracy, and ground clearance.

Why Compare Tire Sizes?

  • Speedometer Accuracy: Different sizes affect your speedometer reading
  • Fuel Economy: Larger tires can impact efficiency
  • Ground Clearance: Bigger tires increase vehicle height
  • Performance: Size affects handling and acceleration

What Changes with Tire Size?

Speedometer Impact

Larger diameter tires make your speedometer read slower than actual speed. Smaller tires make it read faster.

Fuel Efficiency

Taller, wider tires create more rolling resistance, potentially reducing fuel economy by 1-3%.

Ground Clearance

Every 1-inch increase in tire diameter typically adds about 0.8 inches of ground clearance.

Acceleration & Handling

Larger tires can make acceleration feel slower and may affect steering response.

How to Use the Comparison Tool

  1. Enter your current tire size (e.g., 225/60R16)
  2. Enter the new tire size you want to compare
  3. Review the differences in diameter, width, and performance
  4. Check speedometer correction factors
  5. Consider ground clearance changes

Common Size Changes

  • +1 Size: Popular for better ground clearance
  • Same Diameter: Maintains speedometer accuracy
  • Plus Size: Wider tires for better traction

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